(19)
(11) EP 2 149 227 A1

(12)

(43) Date of publication:
03.02.2010 Bulletin 2010/05

(21) Application number: 08753690.0

(22) Date of filing: 23.05.2008
(51) International Patent Classification (IPC): 
H04L 12/28(2006.01)
(86) International application number:
PCT/KR2008/002906
(87) International publication number:
WO 2008/143483 (27.11.2008 Gazette 2008/48)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 23.05.2007 KR 20070050316

(71) Applicant: SK Telecom. Co., Ltd.
Seoul 100-999 (KR)

(72) Inventors:
  • RHIE, Sangwoo
    Seoul 143-769 (KR)
  • SOHN, Sangmok
    Seongnam-si Gyeonggi-do 463-813 (KR)
  • JEONG, Soonjae
    Seongnam-si Gyeonggi-do 463-902 (KR)
  • JEON, Jaesic
    Seoul 138-240 (KR)
  • YOON, Youngshin
    Seoul 152-092 (KR)
  • KIM, Youngil
    Anyang-si Gyeonggi-do 431-709 (KR)
  • AN, Sunshin
    Seoul 135-786 (KR)
  • KIM, Sungjun
    Seoul 131-132 (KR)
  • JI, Youngmin
    Seoul 158-856 (KR)
  • LEE, Joosik
    Seoul 135-280 (KR)

(74) Representative: Neobard, William John et al
Kilburn & Strode LLP 20 Red Lion Street
London WC1R 4PJ
London WC1R 4PJ (GB)

   


(54) METHOD FOR MEASURING LOCATION OF RADIO FREQUENCY IDENTIFICATION READER BY USING BEACON